CVE-2018-7838

highpriority · track · 30EPSS 0.011 · 66 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.12% (66th) EPSS

CVSS 7.8 · high

Is it mine?

14 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A CWE-119 Buffer Errors vulnerability exists in Modicon M580 CPU - BMEP582040, all versions before V2.90, and Modicon Ethernet Module BMENOC0301, all versions before V2.16, which could cause denial of service on the FTP service of the controller or the Ethernet BMENOC module when it receives a FTP CWD command with a data length greater than 1020 bytes. A power cycle is then needed to reactivate the FTP service.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (14)

Products and version ranges known to be affected.

Modicon Modicon M580 CPU - BMEP582040 all versions before V2.90 and Modicon Ethernet Module BMENOC0301 all versions before V2.16≤ Modicon M580 CPU - BMEP582040 all versions before V2.90 and Modicon Ethernet Module BMENOC0301 all versions before V2.16enisa_euvdEU
schneider-electric bmeh582040 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:bmeh582040_firmware:*:*:*:*:*:*:*:*
schneider-electric bmeh586040 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:bmeh586040_firmware:*:*:*:*:*:*:*:*
schneider-electric bmenoc0301 firmware< 2.16nvdUScpe:2.3:o:schneider-electric:bmenoc0301_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep581020 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep581020_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep582020 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep582020_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep582040 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep582040_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep582040s firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep582040s_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep583020 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep583020_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep583040 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep583040_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep584020 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep584020_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep584040 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep584040_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep585040 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep585040_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon m580 bmep586040 firmware< 2.90nvdUScpe:2.3:o:schneider-electric:modicon_m580_bmep586040_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2019-07-15modified 2026-06-17

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+21039 more

references (7)

External citations — patches, advisories, analysis.

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